package zjitc.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import zjitc.mapper.UserMapper;
import zjitc.pojo.User;

/*
    @author： 尤安托
    @date： 2024/12/17 15:20
*/
@Service
public class UserService {
    @Autowired
    private UserMapper userMapper;
    public User queryById(Long id){
        return userMapper.selectByPrimaryKey(id);
    }
    @Transactional
    public void saveUser(User user){
        System.out.println("新增用户...");
        userMapper.insertSelective(user);
        int i=1/0;
    }
}
